slirp: Allow disabling IPv4 or IPv6

[mirror_qemu.git] / slirp / ip_input.c

diff --git a/slirp/ip_input.c b/slirp/ip_input.c
index b464f6baf0a3946ebf52c1d97af4c56857e42b47..cdd54833a342e4146d6caa10f141451a2f2f4ec2 100644 (file)
--- a/slirp/ip_input.c
+++ b/slirp/ip_input.c
@@ -80,6 +80,10 @@ ip_input(struct mbuf *m)
        register struct ip *ip;
        int hlen;
 
+       if (!slirp->in_enabled) {
+               goto bad;
+       }
+
        DEBUG_CALL("ip_input");
        DEBUG_ARG("m = %p", m);
        DEBUG_ARG("m_len = %d", m->m_len);